# std::move_iterator<Iter>::operator++,+,+=,--,-,-=

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< cpp‎ | iterator‎ | move iterator

move_iterator& operator++(); | (1) | (constexpr since C++17)
move_iterator& operator--(); | (2) | (constexpr since C++17)
| (3) |
move_iterator operator++( int ); |  | (constexpr since C++17) (until C++20)
constexpr auto operator++( int ); |  | (since C++20)
move_iterator operator--( int ); | (4) | (constexpr since C++17)
move_iterator operator+( difference_type n ) const; | (5) | (constexpr since C++17)
move_iterator operator-( difference_type n ) const; | (6) | (constexpr since C++17)
move_iterator& operator+=( difference_type n ); | (7) | (constexpr since C++17)
move_iterator& operator-=( difference_type n ); | (8) | (constexpr since C++17)

Increments or decrements the underlying iterator.

Overload | Equivalent to
--- | ---
(1) | ++`current`﻿; return *this;
(2) | --`current`﻿; return *this;
(3) |
move_iterator tmp = *this; ++`current`﻿; return tmp; | (until C++20)
move_iterator tmp = *this; ++`current`﻿; return tmp; if `Iter` models `forward_iterator` ++`current`; otherwise | (since C++20)
(4) | move_iterator tmp = *this; --`current`﻿; return tmp;
(5) | return move_iterator(`current``` + n);
(6) | return move_iterator(`current``` - n);
(7) | `current``` += n; return *this;
(8) | `current``` -= n; return *this;

### Parameters

n | - | position relative to current location

### Return value

As described above.

### Example

| This section is incomplete Reason: no example

### See also

operator+ (C++11) | advances the iterator (function template)
operator- (C++11) | computes the distance between two iterator adaptors (function template)

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